Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR768860ApublicationCriticalpatent/FR768860A/fr
A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
A62B23/00—Filters for breathing-protection purposes
Landscapes
Health & Medical Sciences
(AREA)
General Health & Medical Sciences
(AREA)
Business, Economics & Management
(AREA)
Emergency Management
(AREA)
FR768860D1934-02-201934-02-20Dispositif de protection contre les arsines, fumées, poussières, applicable aux cartouches de masques à gaz
ExpiredFR768860A
(fr)